Tetrapotassium hexacyanoferrate trihydrate
Synonym(s):Potassium ferrocyanide;Potassium hexacyanoferrate(II) trihydrate;Yellow prussiate
- CAS NO.：13943-58-3
- Empirical Formula: C24H6Fe4K4N24O3-8
- Molecular Weight: 1058.24
- MDL number: MFCD00167022
- EINECS: 237-722-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-09-03 19:45:19
What is Tetrapotassium hexacyanoferrate trihydrate?
Chemical properties
Lemon-yellow crystals or powder; mild saline taste. Effloresces on exposure to air; soluble in water; insoluble in alcohol.
The Uses of Tetrapotassium hexacyanoferrate trihydrate
Potassium cyanide and ferricyanide, dry colors, tempering steel, dyeing, explosives, process engrav- ing and lithography, laboratory reagent.
Production Methods
Potassium ferrocyanide is used as a chemical reagent, in metallurgy, and in graphic arts.
Hazard
It evolves highly toxic fumes on heating to red heat, but the compound itself has low toxicity.
Flammability and Explosibility
Not classified
Safety Profile
Mildly toxic by ingestion. An experimental teratogen. When heated to decomposition it emits toxic fumes of NOx.
Properties of Tetrapotassium hexacyanoferrate trihydrate
| Melting point: | 70 °C |
| Boiling point: | 104.2 °C |
| Density | 1.85 |
| form | yellow granules (rough estimate) |
| Water Solubility | 254g/L at 20℃ |
| Exposure limits | ACGIH: TWA 1 mg/m3 NIOSH: IDLH 25 mg/m3; TWA 1 mg/m3 |
| CAS DataBase Reference | 13943-58-3(CAS DataBase Reference) |
| EPA Substance Registry System | Potassium ferrocyanide (13943-58-3) |
Safety information for Tetrapotassium hexacyanoferrate trihydrate
Computed Descriptors for Tetrapotassium hexacyanoferrate trihydrate
Tetrapotassium hexacyanoferrate trihydrate manufacturer
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